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Finding the Fourth Proportional to 713,013.94, 1,068,800.81 and 446,960.94

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Solution

The fourth proportional to 713,013.94, 1,068,800.81 and 446,960.94 is: 669,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,013.94 : 1,068,800.81 = 446,960.94 : x
  2. Step 2: Convert to fraction form
    713,013.94/1,068,800.81 = 446,960.94/x
  3. Step 3: Cross multiply
    713,013.94x = 1,068,800.81 × 446,960.94
  4. Step 4: Simplify right side
    713,013.94x = 477,712,214,710.36
  5. Step 5: Solve for x
    x = 477,712,214,710.36/713,013.94
  6. Step 6: Final answer
    x = 669,990.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.